Hadoop Release 1.0.1 is now available.
This is a bug-fix release for version 1.0.
This release should now be considered STABLE, replacing the venerable
0.20.203 release!

Patches in this minor release include:

   - Added hadoop-client and hadoop-minicluster artifacts for ease of
   client install and testing
   - Support run-as-user in non-secure mode
   - Better compatibility with Ganglia, HBase, and Sqoop

For additional fixes, please see the release notes at
http://hadoop.apache.org/common/docs/r1.0.1/releasenotes.html

Best regards,
--Matt
Release Manager for 1.0